Senior Embedded Linux Architect: Secure OTA & High-Uptime

accesstel Pty Ltd; City of Melbourne; Hybrid; AUD 150,000 - 190,000; Full time

Job summary

accesstel Pty Ltd is seeking a Senior Embedded Software Engineer to shape the architecture, reliability and security of secure embedded controllers used in Australia’s critical infrastructure. You will work hands-on across the full stack, mentoring others and helping define engineering standards.

The team is Melbourne-based with remote or hybrid arrangements possible, and some travel to Melbourne for hardware bring-up and validation.

Qualifications

• Extensive embedded Linux experience with hands-on Yocto/OpenEmbedded builds.
• Experience developing Linux device drivers and understanding the device model.
• Hands-on with U-Boot and robust OTA update mechanisms (RAUC).
• Experience communicating with devices over CAN, RS485 and protocols such as Modbus/SNMP/MQTT/TCP/IP.
• Solid understanding of analogue/digital interfaces and electronics for sensor integration.
• Strong C/C++ and Python with peripheral interfaces (UART, SPI, I2C, GPIO).
• Experience building high-uptime, remote or autonomous deployments.
• Ability to communicate architectural trade-offs clearly.
• A tertiary qualification or equivalent experience in Electronic/Computer Engineering or CS.

Responsibilities

• Contribute to design and evolution of embedded software architecture for scalability, security and long-term support.
• Develop secure embedded software from bootloader to Linux services and OTA updates.
• Collaborate with hardware engineers to bring up boards and validate designs.
• Design interfaces (Modbus, CAN, SNMP, MQTT, Ethernet/IP) and digital/analogue I/O.
• Build for long-life field deployments with diagnostics, observability and fault tolerance.
• Improve CI/CD pipelines and test automation with the Embedded Capability team.
• Mentor engineers and provide technical leadership across the embedded domain.

Skills

Embedded Linux

Yocto/OpenEmbedded

Linux device drivers

U-Boot

OTA updates (RAUC)

CAN bus / RS485

Modbus/SNMP/MQTT/TCPIP

C/C++

Python

Electrical interfacing (AC/DC)

Education

Bachelor's degree in Electronic Engineering / Computer Science or equivalent

Tools

Yocto

OpenEmbedded

Docker

Git

Jira

Confluence

RAUC

Job description

accesstel Pty Ltd is seeking a Senior Embedded Software Engineer to shape the architecture, reliability and security of secure embedded controllers used in Australia’s critical infrastructure. You will work hands-on across the full stack, mentoring others and helping define engineering standards.

The team is Melbourne-based with remote or hybrid arrangements possible, and some travel to Melbourne for hardware bring-up and validation.